diff --git a/appveyor.yml b/appveyor.yml
index ae94585f0..89f445858 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,4 +14,5 @@ environment:
     STACK_ROOT: "c:\\sr"
 
 test_script:
+- stack setup > nul
 - echo "" | stack --no-terminal build --test hledger hledger-web hledger-api # hledger-ui not supported